Credit Arrangements (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Credit arrangements
Total debt	$ 329,641	$ 352,088
Unamortized debt issuance costs	(573)	(787)
Total debt, net	329,068	351,301
Less: current portion	(47,708)	(55,659)
Long-term debt, net of current portion	281,360	295,642
Term Loan
Credit arrangements
Total debt, net	195,250	203,500
Commercial equipment notes
Credit arrangements
Total debt	95,254	105,114
Mortgages
Credit arrangements
Total debt, net	$ 39,137	$ 43,474

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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